In order to have a rest, the library may have a sofa for lazy people to relax. If it is for studying, it is still recommended to sit in your seat and study by yourself with a correct attitude.
Then when the exam is approaching, there may be a large number of people in the library, so you may have to go early at this time. But try not to bring breakfast in.
Finally, the self-study in the library must be quiet. Be sure to mute your mobile phone, and don't talk loudly if you have friends. It's best not to whisper, it may affect the people next to you. Silence is the premise of correct self-study in the library.